3 years ago

There are 5 comedy, 8 action, and 11 children DVDs on a rack. Susan randomly selects 3 of them. What is the probability that she

selects a comedy, followed by an action, then a children's?

Mathematics

1 answer:

ipn [44]3 years ago

5 0

$|\Omega|=24\cdot23\cdot22=12144\\
|A|=5\cdot8\cdot11=440\\\\
P(A)=\dfrac{440}{12144}=\dfrac{5}{138}$

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